Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10962358 | Method and apparatus for measuring wall thickness, ovality of tubular materials | Jinchi Zhang | 2021-03-30 |
| 5585565 | Method for the ultrasonic inspection of pipe and tubing and a transducer assembly for use therewith | Roy D. Felkner, Gene M. Holmes | 1996-12-17 |
| 4718277 | Method and apparatus for characterizing defects in tubular members | — | 1988-01-12 |